2N1711 - NPN Silicon Transistor Technical Summary

Overview

The 2N1711 is a general-purpose NPN silicon transistor housed in a TO-39 metal can package. Designed for medium-power amplification and switching applications, this component offers reliable performance in a robust package. Its construction ensures stable operation across a wide range of temperatures and electrical conditions, making it suitable for industrial, commercial, and hobbyist applications.

The transistor features a hermetically sealed metal case, providing excellent thermal and mechanical stability. Its internal schematic diagram follows a standard NPN configuration, optimized for linear amplification and switching efficiency.

Features

• High Current Gain: Designed for efficient signal amplification with moderate current handling capabilities.
• Medium Power Dissipation: Suitable for applications requiring up to several watts of power handling.
• Robust TO-39 Package: Hermetically sealed metal can ensures durability and thermal performance.
• Wide Operating Temperature Range: Stable performance across industrial temperature ranges.
• Low Leakage Current: Ensures reliable operation in switching applications.
• Pb-Free Option Available: Compliant with RoHS directives for environmentally conscious designs.

Applications

The 2N1711 is versatile and finds use in numerous electronic circuits, including:

• Audio Amplifiers: Used in pre-amplification and driver stages due to its linear characteristics.
• Switching Circuits: Suitable for relay drivers, motor control, and power switching applications.
• Signal Processing: Employed in analog signal conditioning and waveform generation.
• Industrial Controls: Used in automation systems for sensor interfacing and control logic.
• Test Equipment: Found in signal generators and measurement devices.
• Hobbyist Projects: Ideal for DIY electronics due to its robustness and ease of use.

Electrical Characteristics

(T_amb = 25 °C unless otherwise specified)

Absolute Maximum Ratings

• Collector-Emitter Voltage (V_CEO): 40V
• Collector-Base Voltage (V_CBO): 60V
• Emitter-Base Voltage (V_EBO): 6V
• Collector Current (I_C): 600mA
• Total Power Dissipation (P_tot): 800mW at 25°C (derate linearly above 25°C)
• Operating Junction Temperature (T_j): -65°C to +200°C
• Storage Temperature (T_stg): -65°C to +200°C

DC Current Gain (h_FE)

• Test Condition: I_C = 10mA, V_CE = 10V
• Minimum: 40
• Typical: 100
• Maximum: Not specified

Collector-Emitter Saturation Voltage (V_CE(sat))

• Test Condition: I_C = 150mA, I_B = 15mA
• Maximum: 0.5V

Transition Frequency (f_T)

• Test Condition: I_C = 10mA, V_CE = 10V, f = 100MHz
• Typical: 100MHz

Package Information

TO-39 Metal Can Package

The 2N1711 is housed in a TO-39 package, which provides excellent thermal and mechanical properties. Key package details include:

• Package Dimensions: 8.38mm (0.33") diameter, 5.33mm (0.21") height (excluding leads)
• Lead Material: Tinned copper alloy
• Lead Configuration: E-B-C (Emitter-Base-Collector) when viewed from the bottom with leads pointing downward
• Weight: Approximately 1.2 grams
• Mounting: Suitable for through-hole PCB mounting or socketing
• Thermal Resistance (R_θJA): 175°C/W (typical)

Marking Information

The TO-39 package is typically marked with the following information:

• Part number (2N1711)
• Manufacturer's logo or code
• Date code or lot number

Thermal Considerations

Proper thermal management is crucial for reliable operation:

• For continuous operation at high power levels, consider using a heat sink
• Power dissipation must be derated above 25°C ambient temperature
• The metal case can be used for heat dissipation when properly mounted
• Thermal compound is recommended when attaching heat sinks

Reliability Data

• MTBF: > 1,000,000 hours at rated operating conditions
• ESD Rating: Human Body Model (HBM) Class 1 (≥ 1kV)
• Moisture Sensitivity Level (MSL): Not applicable (hermetic package)

Handling and Storage Recommendations

• Store in anti-static packaging when not in use
• Avoid mechanical stress on leads during handling
• Maintain storage conditions within specified temperature and humidity ranges
• Follow standard ESD precautions during handling and installation